.navL li:nth-child(4) a{
	color: #000;
}
.navL li:nth-child(1) a{
	color:#888888;
}
.scroll{
	width: 1000px;
	height: 400px;
	margin: 0 auto;
	position: relative;
}
.scroll li{
	width: 100%;
	height: 400px;
	position: absolute;
	top:0;
	left: 0;
}
.scroll li img{
	width: 100%;
	height: 400px;
}